by smprecision | Jan 25, 2023
NSN: 4931-01-472-6622 P/N: 11741648-4 General Description The M140A1 Alignment Device, used in conjunction with the M137A2 Panoramic Telescope or M117 Panoramic Telescope, verifies the boresight of the M119 and M109 (Sp) howitzers. Boresighting is the means to ensure...
